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Overview
Comment:Test cases for hex literals.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | hex-literal
Files: files | file ages | folders
SHA1: 19054339c47448bcdfd1f7be35daa3826c409077
User & Date: drh 2014-07-23 01:56:32
Context
2014-07-23
01:59
Reformatting a few test cases for clarity. (check-in: 7e1bbacb user: drh tags: hex-literal)
01:56
Test cases for hex literals. (check-in: 19054339 user: drh tags: hex-literal)
01:26
Add support for parsing C-style hexadecimal literals. (check-in: 34a1f38b user: drh tags: hex-literal)
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/util.c. 

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  if( *z=='-' ){
    sign = -1;
    z+=incr;
  }else if( *z=='+' ){
    z+=incr;
  }
#ifndef SQLITE_OMIT_HEX_INTEGER
  else if( *z==0
        && &z[incr*2]<zEnd
        && (z[incr]=='x' || z[incr]=='X')
        && sqlite3Isxdigit(z[incr*2])
  ){
    result = 0.0;
    for(z += incr*2; z<zEnd && sqlite3Isxdigit(z[0]); z += incr){
      result = result*16.0 + sqlite3HexToInt(z[0]);








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  if( *z=='-' ){
    sign = -1;
    z+=incr;
  }else if( *z=='+' ){
    z+=incr;
  }
#ifndef SQLITE_OMIT_HEX_INTEGER
  else if( *z=='0'
        && &z[incr*2]<zEnd
        && (z[incr]=='x' || z[incr]=='X')
        && sqlite3Isxdigit(z[incr*2])
  ){
    result = 0.0;
    for(z += incr*2; z<zEnd && sqlite3Isxdigit(z[0]); z += incr){
      result = result*16.0 + sqlite3HexToInt(z[0]);

Added test/hexlit.test. 















































































































































































































































































































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# 2014-07-23
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file implements tests for hexadecimal literals


set testdir [file dirname $argv0]
source $testdir/tester.tcl

proc hexlit1 {tnum val ans} {
  do_execsql_test hexlit-$tnum "SELECT $val" $ans
}

hexlit1 100 0x0 0
hexlit1 101 0x0000000000000000000000000000000000000000000001 1
hexlit1 102 0x2 2
hexlit1 103 0x4 4
hexlit1 104 0x8 8
hexlit1 105 0x00000000000000000000000000000000000000000000010 16
hexlit1 103 0x20 32
hexlit1 106 0x40 64
hexlit1 107 0x80 128
hexlit1 108 0x100 256
hexlit1 109 0x200 512
hexlit1 110 0X400 1024
hexlit1 111 0x800 2048
hexlit1 112 0x1000 4096
hexlit1 113 0x2000 8192
hexlit1 114 0x4000 16384
hexlit1 115 0x8000 32768
hexlit1 116 0x10000 65536
hexlit1 117 0x20000 131072
hexlit1 118 0x40000 262144
hexlit1 119 0x80000 524288
hexlit1 120 0x100000 1048576
hexlit1 121 0x200000 2097152
hexlit1 122 0x400000 4194304
hexlit1 123 0x800000 8388608
hexlit1 124 0x1000000 16777216
hexlit1 125 0x2000000 33554432
hexlit1 126 0x4000000 67108864
hexlit1 127 0x8000000 134217728
hexlit1 128 0x10000000 268435456
hexlit1 129 0x20000000 536870912
hexlit1 130 0x40000000 1073741824
hexlit1 131 0x80000000 2147483648
hexlit1 132 0x100000000 4294967296
hexlit1 133 0x200000000 8589934592
hexlit1 134 0x400000000 17179869184
hexlit1 135 0x800000000 34359738368
hexlit1 136 0x1000000000 68719476736
hexlit1 137 0x2000000000 137438953472
hexlit1 138 0x4000000000 274877906944
hexlit1 139 0x8000000000 549755813888
hexlit1 140 0x10000000000 1099511627776
hexlit1 141 0x20000000000 2199023255552
hexlit1 142 0x40000000000 4398046511104
hexlit1 143 0x80000000000 8796093022208
hexlit1 144 0x100000000000 17592186044416
hexlit1 145 0x200000000000 35184372088832
hexlit1 146 0x400000000000 70368744177664
hexlit1 147 0x800000000000 140737488355328
hexlit1 148 0x1000000000000 281474976710656
hexlit1 149 0x2000000000000 562949953421312
hexlit1 150 0x4000000000000 1125899906842624
hexlit1 151 0x8000000000000 2251799813685248
hexlit1 152 0x10000000000000 4503599627370496
hexlit1 153 0x20000000000000 9007199254740992
hexlit1 154 0x40000000000000 18014398509481984
hexlit1 155 0x80000000000000 36028797018963968
hexlit1 156 0x100000000000000 72057594037927936
hexlit1 157 0x200000000000000 144115188075855872
hexlit1 158 0x400000000000000 288230376151711744
hexlit1 159 0x800000000000000 576460752303423488
hexlit1 160 0X1000000000000000 1152921504606846976
hexlit1 161 0x2000000000000000 2305843009213693952
hexlit1 162 0X4000000000000000 4611686018427387904
hexlit1 163 0x8000000000000000 -9223372036854775808

hexlit1 200 0x001 1
hexlit1 201 0X002 2
hexlit1 202 0x003 3
hexlit1 203 0X004 4
hexlit1 204 0x005 5
hexlit1 205 0X006 6
hexlit1 206 0x007 7
hexlit1 207 0X008 8
hexlit1 208 0x009 9
hexlit1 209 0x00a 10
hexlit1 210 0x00A 10
hexlit1 211 0x00b 11
hexlit1 212 0x00B 11
hexlit1 213 0x00c 12
hexlit1 214 0x00C 12
hexlit1 215 0x00d 13
hexlit1 216 0x00D 13
hexlit1 217 0x00e 14
hexlit1 218 0x00E 14 
hexlit1 219 0x00f 15
hexlit1 220 0x00F 15

proc hexlit2 {tnum hex ans} {
  do_execsql_test hexlit-$tnum "SELECT printf('%7e',CAST($hex AS real))" $ans
}

hexlit2 300 0x1 1.000000e+00
hexlit2 301 0x10 1.600000e+01
hexlit2 302 0x100 2.560000e+02
hexlit2 303 0x1000 4.096000e+03
hexlit2 304 0x10000 6.553600e+04
hexlit2 305 0x100000 1.048576e+06
hexlit2 306 0x1000000 1.677722e+07
hexlit2 307 0x10000000 2.684355e+08
hexlit2 308 0x100000000 4.294967e+09
hexlit2 309 0x1000000000 6.871948e+10
hexlit2 310 0x10000000000 1.099512e+12
hexlit2 311 0x100000000000 1.759219e+13
hexlit2 312 0x1000000000000 2.814750e+14
hexlit2 313 0x10000000000000 4.503600e+15
hexlit2 314 0x100000000000000 7.205759e+16
hexlit2 315 0x1000000000000000 1.152922e+18
hexlit2 316 0x10000000000000000 1.844674e+19
hexlit2 317 0x100000000000000000 2.951479e+20
hexlit2 318 0x1000000000000000000 4.722366e+21
hexlit2 319 0x10000000000000000000 7.555786e+22
hexlit2 320 0x100000000000000000000 1.208926e+24
hexlit2 321 0x1000000000000000000000 1.934281e+25
hexlit2 322 0x10000000000000000000000 3.094850e+26
hexlit2 323 0x100000000000000000000000 4.951760e+27
hexlit2 324 0x1000000000000000000000000 7.922816e+28
hexlit2 325 0x10000000000000000000000000 1.267651e+30
hexlit2 326 0x100000000000000000000000000 2.028241e+31
hexlit2 327 0x1000000000000000000000000000 3.245186e+32
hexlit2 328 0x10000000000000000000000000000 5.192297e+33
hexlit2 329 0x100000000000000000000000000000 8.307675e+34

hexlit2 400 0x7fffffffffffffff 9.223372e+18
hexlit2 401 0x8000000000000000 -9.223372e+18
hexlit2 402 0xffffffffffffffff -1.000000e+00
hexlit2 403 0x10000000000000000 1.844674e+19

finish_test

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